City runner
Example clip · 5 seconds
A runner crosses a quiet city street at sunrise. Low tracking camera moves alongside him, warm light catches the pavement, natural athletic motion, cinematic realism.
4K AI Video Up to 20 Seconds with LTX 2.3
LTX 2.3 is the only AI video generator offering true 4K (2160p) resolution with up to 20 seconds of duration. Combined with audio-to-video capabilities and 25fps smooth playback, it's the ultimate choice for professional video content.
Example projects
A product reveal
Storyboard · Image-to-video brief
Slow cinematic orbit around a cobalt blue perfume bottle as a fine mist drifts through deep blue studio light. Gentle camera push-in, crisp reflections, a premium product reveal.
An editorial moment
Storyboard · Fashion film brief
Fashion film in a sunlit architectural space. A model turns toward the window as fabric catches the breeze. Slow dolly-in, natural movement, subtle film grain.
Explore freely. Sign up to generate your own. Examples are pre-generated.
LTX 2.3 Gallery
Real examples generated with LTX 2.3 on Verbatik AI
Prompt:
4K cinematic landscape with aurora borealis
Prompt:
4K urban timelapse with smooth motion
Prompt:
Cinematic portrait video with depth of field
All images generated with LTX 2.3 — now live on Verbatik AI
Why Choose LTX 2.3
Powerful features designed for professional creators and businesses
True 4K Resolution
Generate videos at 2160p (4K) — the highest resolution available in any AI video generator today.
20-Second Duration
Create videos up to 20 seconds long — significantly longer than most AI video models.
Audio-to-Video
Generate video from audio input — create music videos, podcast visualizations, and sound-reactive content.
25 FPS Smooth Playback
Professional 25fps frame rate for smooth, broadcast-quality motion.
Three Resolution Tiers
Choose 1080p, 1440p, or 2160p (4K) based on your quality needs and budget.
Always-On Audio
Audio is always generated with video for complete, ready-to-publish content.
How LTX 2.3 Works
Get started in minutes — no technical expertise required
1
Choose input mode
Start with text, an image, or an audio file for audio-to-video generation.
2
Select resolution
Choose 1080p for standard, 1440p for high quality, or 2160p for true 4K output.
3
Set duration
Pick video length from 6 to 20 seconds based on your content needs.
4
Generate 4K video
LTX 2.3 creates your video with synchronized audio at 25fps smooth playback.
LTX 2.3 Technical Specifications
Detailed specs and capabilities at a glance
Resolution1080p, 1440p, 2160p (4K)
Duration6–20 seconds (variable)
FPS25
Max Videos1 per generation
Aspect Ratios16:9, 9:16
AudioAlways generated
ProviderLightricks (fal.ai)
Credits1080p: 2,000/s | 1440p: 4,000/s | 2160p: 8,000/s
What You Can Create with LTX 2.3
From marketing to creative projects — endless possibilities
4K promotional videos
Music video generation
Podcast visual content
Long-form social media content
Professional B-roll footage
Audio-reactive visualizations
Film and documentary clips
High-resolution advertising
Frequently Asked Questions
Everything you need to know about LTX 2.3
LTX 2.3 is an AI video generation model that offers the highest resolution (up to 4K/2160p) and longest duration (up to 20 seconds) of any AI video generator. It also uniquely supports audio-to-video generation.
Explore More AI Models
Compare LTX 2.3 with other models available on Verbatik AI
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Testimonials
Loved by creators worldwide
Craig P.
GB
“I was really surprised at just how good some of the voices are. You can add tags for emphasis, pauses, and pronunciation. Great for video voice-overs. Recent additions also allow AI photos, videos, and music.”
Cristian C.
Administrator
“VERBATIK is straightforward to use and improves content quality quickly. I value its ability to provide suggestions and corrections while keeping my intended tone intact.”
Bejan Andrei
MD
“We use Verbatik for promotional videos, explainers, and short ads. The AI voices sound professional, avatars look great, and the video generator helps produce content fast.”
Tom G.
Mr
“I like the way text to speech is working, very fast, especially when using APIs, and the voice cloning ability is very good.”
Makgotso R.
Content Creator
“The broad range of AI voices and the ability to personalize the voice experience is very valuable to me as a content creator.”
Lucian
RO
“The voices sound incredibly natural after recent updates. You can clone your voice, generate AI avatars, or mix in background music — all from the same dashboard.”
Start creating today
Ready to bring your content to life?
Join 150,000+ creators, developers, and businesses using Verbatik AI to produce studio-quality voiceovers, clone voices, and generate music and sound effects.
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- 1,500+ neural voices in 150+ languages
- Voice cloning from a single audio sample
- Music, sound effects, and video generation
- Full API access with real-time streaming
- Commercial license included
- 14-day money-back guarantee
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